1 files changed, 2 insertions, 2 deletions

diff --git a/subprojects/language-semantics/src/main/java/tools/refinery/language/semantics/ProblemTraceImpl.java b/subprojects/language-semantics/src/main/java/tools/refinery/language/semantics/ProblemTraceImpl.java
index f686e980..aef0fd89 100644
--- a/subprojects/language-semantics/src/main/java/tools/refinery/language/semantics/ProblemTraceImpl.java
+++ b/subprojects/language-semantics/src/main/java/tools/refinery/language/semantics/ProblemTraceImpl.java
@@ -79,7 +79,7 @@ class ProblemTraceImpl implements ProblemTrace {
                 try {
                         return nodeTrace.getOrThrow(node);
                 } catch (IllegalStateException e) {
-                        var qualifiedName = semanticsUtils.getName(node);
+                        var qualifiedName = semanticsUtils.getNameWithoutRootPrefix(node);
                         throw new TracedException(node, "No node ID for " + qualifiedName, e);
                 }
         }
@@ -144,7 +144,7 @@ class ProblemTraceImpl implements ProblemTrace {
         public PartialRelation getPartialRelation(Relation relation) {
                 var partialRelation = mutableRelationTrace.get(relation);
                 if (partialRelation == null) {
-                        var qualifiedName = semanticsUtils.getName(relation);
+                        var qualifiedName = semanticsUtils.getNameWithoutRootPrefix(relation);
                         throw new TracedException(relation, "No partial relation for " + qualifiedName);
                 }
                 return partialRelation;